11.—(1) A public sector body must make a document available to an applicant under regulation 8(4)(b) or (c)—
(a)in the format and language in which it is held on the date of the request for re-use; and
(b)where possible and appropriate, in open format and machine-readable format together with its metadata.
(2) The format and the metadata referred to in paragraph (1)(b) should, insofar as possible, comply with formal open standards.
(3) Where possible and appropriate, a public sector body must make a document available for re-use by electronic means.
(4) Nothing in these Regulations obliges a public sector body to do any of the following—
(a)create or adapt a document or provide an extract from it in order to comply with a request for re-use where to do so would involve disproportionate effort;
(b)continue to produce or store a certain type of document for the purposes of re-use by another person.